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Liquid Vitamin D3 Drops 5000 IU Natural Citrus Flavor

Bluebonnet
4.8
★ ★ ★ ★ ★
(4258 ratings)
Vitamin D 5000 IU
Product Image
Score86
Best suited to immunity, with the clearest benefits coming from the disclosed active ingredients. The 5,000 IU serving is more appropriate for higher needs than routine maintenance without a clear reason.
How scoring works
Quantity:1 Liquid(s) • (900 servings)
Goals:
Immunity
General Health
Anti-Inflammatory Support
Anti-Aging
Fitness
Testosterone Support
Energy

Score 86

Best suited to immunity, with the clearest benefits coming from the disclosed active ingredients. The 5,000 IU serving is more appropriate for higher needs than routine maintenance without a clear reason.
How scoring works

Also available as

3 options
400.00IU • 1 Liquid(s) servings D 400 IU • 1 Liquid(s) • 900 servings $10.20 ($0.01 per serving) 1000.00IU • 1 Liquid(s) servings D 1000 IU • 1 Liquid(s) • 900 servings $9.20 ($0.01 per serving) 2000.00IU • 1 Liquid(s) servings D 2000 IU • 1 Liquid(s) • 900 servings $20.76 ($0.02 per serving)
$25.56($0.02 per serving)
iHerb
$ 25.56
Amazon
$ 25.56
Pure Formulas
$ 25.56
Daily Vita
$ 25.56
Report prices

Analysis

A preferred vitamin D3 form and focused formula provide a substantial dose with little apparent filler. The amount may exceed routine needs for some users, so the label should give clear intake guidance.

Vitamin D3 directly supports immune-cell regulation at a substantial amount. Lanolin sourcing and liquid-drop delivery provide useful form transparency. The 5,000 IU serving is more appropriate for higher needs than routine maintenance without a clear reason.

Vitamin D may improve fatigue and muscle function when low status is the underlying problem, but it does not create acute energy in people with adequate levels. The 5,000 IU D3 amount is clearly supplied in a liquid drop. The single-vitamin formula is focused but covers only a deficiency-related mitochondrial pathway.

Who is it for
  • People seeking immunity support
  • People seeking general health support
  • People seeking anti-inflammatory support support
Best for
  • Immunity
  • General Health
  • Anti-Inflammatory Support

Pros

  • A preferred vitamin D3 form and focused formula provide a substantial dose with little apparent filler.
  • The amount may exceed routine needs for some users, so the label should give clear intake guidance.
  • Vitamin D3 directly supports immune-cell regulation at a substantial amount.
  • Lanolin sourcing and liquid-drop delivery provide useful form transparency.
  • Its single-nutrient scope also leaves antioxidant, zinc-dependent, and mucosal immune pathways uncovered.

Cons

  • The 5,000 IU serving is more appropriate for higher needs than routine maintenance without a clear reason.
  • The 5000 IU amount sits at the high end for daily maintenance and may be more than some users need without a measured deficiency.
  • A daily 5,000 IU amount may be more than routine maintenance requires and prolonged use without monitoring can raise calcium levels.
  • Dose or form uncertainty limits confidence in the practical contribution.
  • Vitamin D may improve fatigue and muscle function when low status is the underlying problem, but it does not create acute energy in people with adequate levels.

Warnings

  • The high-potency amount may suit documented deficiency but is less appropriate for unsupervised routine use.
  • Long-term use at this amount is best guided by vitamin D and calcium status because excessive intake can raise blood calcium.
  • Daily use at this amount can raise calcium excessively, so it is better matched to clinician-guided correction of a documented low level.

Nutrient quality

87 Highest impact

Lanolin-derived vitamin D3 in liquid drops is a well-absorbed form and delivery format. The vitamin D amount is substantial and can meaningfully raise intake when a high dose is needed.

.

Ingredient transparency

84 Highest impact

Vitamin D3 has a specific listed amount and source. The citrus flavoring, carrier, and complete inactive ingredient list were not supplied.

.

Customer satisfaction

72 High impact

The available aggregate rating is strong for this category. No firsthand outcome details were supplied, so alignment with the intended use is uncertain.

.

Value for money

99 Highest impact

The high-quality liquid D3 format is offered at very favorable serving value. The product is highly competitive among concentrated vitamin D drops.

.
Report analysis

Goals

Immunity
Immunity
Impact
Highest effect
A Goal FitA Strength of SupportC+ CoverageA+ Formula Quality
Vitamin D · 5000 IU

Vitamin D3 directly supports immune-cell regulation at a substantial amount. Lanolin sourcing and liquid-drop delivery provide useful form transparency.

The 5,000 IU serving is more appropriate for higher needs than routine maintenance without a clear reason. Its single-nutrient scope also leaves antioxidant, zinc-dependent, and mucosal immune pathways uncovered.

Study evidence
Vitamin D Supportive 85 studies
General Health
General Health
Impact
Highest effect
A+ Goal FitB Strength of SupportC CoverageA Formula Quality
Vitamin D · 5000 IU

Lanolin-derived vitamin D3 in liquid drops offers an absorption-friendly form for bone and immune support. The amount is substantial and may suit people with confirmed higher needs.

The daily serving is above the adult upper intake level, so routine use is better guided by vitamin D status and professional advice. Focused vitamin D support also leaves other foundational nutrient needs uncovered.

Study evidence
Vitamin D Supportive 115 studies
Anti-Inflammatory Support
Anti-Inflammatory Support
Impact
High effect
B+ Goal FitB+ Strength of SupportD- CoverageA+ Formula Quality
Vitamin D · 5000 IU

Vitamin D3 has an established immunomodulatory role relevant to inflammatory balance. The amount is potent and may exceed routine needs for many users.

The high-potency amount may suit documented deficiency but is less appropriate for unsupervised routine use. The single-ingredient liquid has a clear purpose.

Study evidence
Vitamin D Supportive 101 studies
Anti-Aging
Anti-Aging
Impact
High effect
B- Goal FitB+ Strength of SupportD+ CoverageA Formula Quality
Vitamin D · 5000 IU

Vitamin D3 provides foundational support for bone, muscle, and immune function as people age. The 5000 IU amount sits at the high end for daily maintenance and may be more than some users need without a measured deficiency.

The lanolin source and exact amount are clearly disclosed in an easy-to-adjust liquid format. Long-term use at this amount is best guided by vitamin D and calcium status because excessive intake can raise blood calcium.

Study evidence
Vitamin D Supportive 50 studies
Fitness
Fitness
Impact
High effect
C Goal FitA- Strength of SupportD+ CoverageA Formula Quality
Vitamin D · 5000 IU

Vitamin D3 supports muscle and bone function, with the clearest fitness benefit in people whose vitamin D status is low. It is a foundational nutrient rather than a direct aid for power, endurance, or recovery.

The liquid provides a substantial D3 amount from a disclosed lanolin source in a simple format. A daily 5,000 IU amount may be more than routine maintenance requires and prolonged use without monitoring can raise calcium levels.

Study evidence
Vitamin D Disputed 163 studies
Testosterone Support
Testosterone Support
Impact
High effect
B- Goal FitB Strength of SupportD+ CoverageA Formula Quality
Vitamin D · 5000 IU

Vitamin D provides a relevant route to testosterone support. Dose or form uncertainty limits confidence in the practical contribution.

The formula remains narrow rather than comprehensive. Liquid Vitamin D3 Drops 5000 IU Natural Citrus Flavor is best viewed as targeted support rather than proof of a clinical benefit.

Study evidence
Vitamin D Supportive 56 studies
Energy
Energy
Impact
High effect
B- Goal FitB- Strength of SupportF CoverageA- Formula Quality
Vitamin D · 5000 IU

Vitamin D may improve fatigue and muscle function when low status is the underlying problem, but it does not create acute energy in people with adequate levels. The 5,000 IU D3 amount is clearly supplied in a liquid drop.

The single-vitamin formula is focused but covers only a deficiency-related mitochondrial pathway. Daily use at this amount can raise calcium excessively, so it is better matched to clinician-guided correction of a documented low level.

Study evidence
Vitamin D Supportive 32 studies

Ingredients

IngredientAmount per serving
Vitamin D3 (Lanolin)
 5000 IU
Gluten Free Adults 18–50 Kosher Dairy Free Sugar Free
Report overview
Vitamin D (Lanolin) · 5000 IU OverallScore84
A+ Active Ingredient Quality & BioavailabilityC Dose, Safety & Label TransparencyA+ Value

D3 from disclosed lanolin in liquid drops combines a substantial amount with absorption-friendly delivery. The amount sits at the upper end of the preferred range, so it may be more than some users need for routine maintenance. Cost efficiency is excellent, though qualifying independent certification and complete additive details are not disclosed.

View ingredientView products
Loading alternative details
85 Performance

High Potency D3 5000 IU

Nature Made
<p>A focused formula supplies 5000 IU of cholecalciferol; the concentrated amount should be matched to measured vitamin D status. Compared with the original, the simple, clearly quantified vitamin D3 profile is easier to assess and closely matches the original’s listed vitamin D amount.</p>
83 Performance

D3-5

Bio-Tech Pharmacal
<p>A focused formula supplies 5000 IU of cholecalciferol; the concentrated amount should be matched to measured vitamin D status. Compared with the original, the simple, clearly quantified vitamin D3 profile is easier to assess and closely matches the original’s listed vitamin D amount.</p>
82 Performance

Vitamin D-3 5000 IU

Source Naturals
<p>A focused formula supplies 5000 IU of cholecalciferol; the concentrated amount should be matched to measured vitamin D status. Compared with the original, the simple, clearly quantified vitamin D3 profile is easier to assess and closely matches the original’s listed vitamin D amount.</p>
88 Budget

Liquid Vitamin D3 Drops 1000 IU Natural Citrus Flavor

Bluebonnet
<p>A liquid formula supplies 1000 IU of lanolin-derived vitamin D3 without unrelated active ingredients. It costs less per serving than the original and uses a lower vitamin D amount that may suit routine maintenance better, but may not match a documented high-dose need.</p>
88 Budget

Extra Strength Liquid Vitamin D3

Protocol For Life Balance
<p>A liquid formula supplies 2000 IU of lanolin-derived vitamin D3 without unrelated active ingredients. It does not cost less per serving; the eligible pool cannot provide three lower-cost choices from distinct brands, and it uses a lower vitamin D amount that may suit routine maintenance better, but may not match a documented high-dose need.</p>
82 Budget

D3 Supplement 400 IU

Spring Valley
<p>A focused formula supplies 400 IU of cholecalciferol, a modest amount that may fit low-dose needs but may be insufficient for many adults. It does not cost less per serving; the eligible pool cannot provide three lower-cost choices from distinct brands, and it uses a lower vitamin D amount that may suit routine maintenance better, but may not match a documented high-dose need.</p>
82 Value

Vitamin D-3 5000 IU

Source Naturals
<p>A focused formula supplies 5000 IU of cholecalciferol; the concentrated amount should be matched to measured vitamin D status. Its focused formula and dose alignment support practical value, although it does not undercut the original’s serving cost and closely matches the original’s listed vitamin D amount.</p>
88 Value

Liquid Vitamin D3 Drops 2000 IU Natural Citrus Flavor

Bluebonnet
<p>A liquid formula supplies 2000 IU of lanolin-derived vitamin D3 without unrelated active ingredients. Its focused formula and dose alignment support practical value, although it does not undercut the original’s serving cost and uses a lower vitamin D amount that may suit routine maintenance better, but may not match a documented high-dose need.</p>
88 Value

D3 2000 IU

Nature Made
<p>A focused formula supplies 2000 IU of cholecalciferol without unrelated active ingredients. Its focused formula and dose alignment support practical value, although it does not undercut the original’s serving cost and uses a lower vitamin D amount that may suit routine maintenance better, but may not match a documented high-dose need.</p>
Report alternatives

Sources

Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.

  1. Current opinion on the role of vitamin D supplementation in respiratory infections and asthma/COPD exacerbations: A need to establish publication guidelines for overcoming the unpublished data.
    Anitua E; Tierno R; Alkhraisat MH · Clinical nutrition (Edinburgh, Scotland) · 2022
    Meta-analysis50,554 participants65 studies pooledImmunity forVitamin D
  2. Association Between Vitamin D and Influenza: Meta-Analysis and Systematic Review of Randomized Controlled Trials.
    Zhu Z; Zhu X; Gu L; Zhan Y; Chen L; Li X · Frontiers in nutrition · 2022
    Meta-analysis4,859 participants10 studies pooledImmunity forVitamin D
  3. Vitamin D supplementation and hospitalization for infection in older adults: A post-hoc analysis of data from the Australian D-Health Trial.
    Pham H; Waterhouse M; Baxter C; Romero BD; McLeod DS; Armstrong BK; Ebeling PR; English DR; Hartel G; O'Connell RL; van der Pols JC; Venn AJ; Webb PM; Whiteman DC; Neale RE · The American journal of clinical nutrition · 2023
    Randomized trial21,315 participantsImmunity forVitamin D
  4. Effect of vitamin D status and vitamin D supplementation on immune function and prevention of acute respiratory tract infections in dark-skinned individuals: a systematic review and meta-analysis.
    Bournot AR; Darling AL; Givens ID; Lovegrove JA; Lanham-New SA; Hart KH · Public health nutrition · 2024
    Meta-analysis36,707 participants18 studies pooledImmunity forVitamin D
  5. Effect of moderate or high versus low dose daily vitamin D on COVID-19 incidence: A double-blind, parallel-group randomized clinical trial.
    Meltzer DO; Moy JN; Schram AW; Tate A; Hyman MJ; Cursio JF; Vokes T; Yeo KJ; Prochaska M; Jacobs JJ; Solway J · Clinical nutrition (Edinburgh, Scotland) · 2026
    Randomized trial955 participantsImmunity forVitamin D
  6. Effect of Vitamin D Supplementation on Fatigue in Multiple Sclerosis: A Systematic Review and Meta-Analysis.
    López-Muñoz P; Torres-Costoso AI; Fernández-Rodríguez R; Guzmán-Pavón MJ; de Arenas-Arroyo SN; Basco-López JÁ; Reina-Gutiérrez S · Nutrients · 2023
    Meta-analysis345 participants5 studies pooledEnergy forVitamin D
  7. Vitamin D for the management of multiple sclerosis.
    Jagannath VA; Filippini G; Di Pietrantonj C; Asokan GV; Robak EW; Whamond L; Robinson SA · The Cochrane database of systematic reviews · 2018
    Meta-analysis933 participants12 studies pooledEnergy forVitamin D
  8. Vitamin D levels and menopause-related symptoms.
    LeBlanc ES; Desai M; Perrin N; Wactawski-Wende J; Manson JE; Cauley JA; Michael YL; Tang J; Womack C; Song Y; Johnson KC; O'Sullivan MJ; Woods N; Stefanick ML · Menopause (New York, N.Y.) · 2015
    Cross-sectional study530 participantsEnergy forVitamin D
  9. Fatigue and Vitamin D Status in Frail Elderly with and without Cancer, and Healthy Controls of Different Ages: Results from the IMAGE Study.
    Dahlén E; Hedman C; Mily A; Alisjahbana A; Spulber G; Holmström-Edstedt J; Bergman P; Buggert M; Björkhem-Bergman L · Gerontology · 2025
    Cohort study273 participantsEnergy forVitamin D
  10. Role of vitamin D as adjuvant therapy on multiple sclerosis: an updated systematic review and meta-analysis of randomized controlled trials.
    Serag I; Abouzid M; Alsaadany KR; Hendawy M; Ali HT; Yaseen Y; Moawad MHED · European journal of medical research · 2025
    Meta-analysis1,903 participants21 studies pooledEnergy forVitamin D
  11. Effect of Calcifediol on Physical Performance and Muscle Strength Parameters: A Systematic Review and Meta-Analysis.
    Barbagallo M; Veronese N; Di Prazza A; Pollicino F; Carruba L; La Carrubba A; Dominguez LJ · Nutrients · 2022
    Meta-analysis5,446 participants7 studies pooledFitness forVitamin D
  12. Vitamin D supplementation and its influence on muscle strength and mobility in community-dwelling older persons: a systematic review and meta-analysis.
    Rosendahl-Riise H; Spielau U; Ranhoff AH; Gudbrandsen OA; Dierkes J · Journal of human nutrition and dietetics : the official journal of the British Dietetic Association · 2018
    Meta-analysis2,866 participants15 studies pooledFitness forVitamin D
  13. Vitamin D and Muscle Health: A Systematic Review and Meta-analysis of Randomized Placebo-Controlled Trials.
    Bislev LS; Grove-Laugesen D; Rejnmark L · Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research · 2021
    Meta-analysis8,747 participants54 studies pooledFitness forVitamin D
  14. Monthly High-Dose Vitamin D Treatment for the Prevention of Functional Decline: A Randomized Clinical Trial.
    Bischoff-Ferrari HA; Dawson-Hughes B; Orav EJ; Staehelin HB; Meyer OW; Theiler R; Dick W; Willett WC; Egli A · JAMA internal medicine · 2016
    Randomized trial200 participantsFitness forVitamin D
  15. Joint association of serum 25-hydroxyvitamin D concentration and body mass index on the acceleration of clinical biomarker-based biological aging.
    Pan Z; Zeng J; Chen Z; Chen S; Yang J; Li H; Wang S; Wang J; Li N; Gong Y; Liu M; Li C · The journals of gerontology. Series A, Biological sciences and medical sciences · 2026
    Cohort study389,217 participantsAnti-Aging forVitamin D
  16. Serum 25-Hydroxyvitamin D Levels as an Aging Marker: Strong Associations With Age and All-Cause Mortality Independent From Telomere Length, Epigenetic Age Acceleration, and 8-Isoprostane Levels.
    Schöttker B; Hagen L; Zhang Y; Gào X; Holleczek B; Gao X; Brenner H · The journals of gerontology. Series A, Biological sciences and medical sciences · 2019
    Cohort study9,940 participantsAnti-Aging forVitamin D
  17. Sex-specific associations of serum 25-hydroxyvitamin D concentrations with incident sarcopenia in older adults: A 2-year follow-up study.
    Song S; Lim JY; Kim M; Won CW; Park HY · The journal of nutrition, health & aging · 2025
    Cohort study1,292 participantsAnti-Aging forVitamin D
  18. Vitamin D deficit is associated with accelerated brain aging in the general population.
    Terock J; Bonk S; Frenzel S; Wittfeld K; Garvert L; Hosten N; Nauck M; Völzke H; Van der Auwera S; Grabe HJ · Psychiatry research. Neuroimaging · 2022
    Cross-sectional study1,865 participantsAnti-Aging forVitamin D
  19. Vitamin D intake is associated with dementia risk in the Washington Heights-Inwood Columbia Aging Project (WHICAP).
    Zhao C; Tsapanou A; Manly J; Schupf N; Brickman AM; Gu Y · Alzheimer's & dementia : the journal of the Alzheimer's Association · 2021
    Cohort study1,759 participantsAnti-Aging forVitamin D
  20. Vitamin D deficiency and C-reactive protein: a bidirectional Mendelian randomization study.
    Zhou A; Hyppönen E · International journal of epidemiology · 2023
    Observational study294,970 participantsAnti-Inflammatory Support forVitamin D
  21. Vitamin D in Children With Inflammatory Bowel Disease: A Randomized Controlled Clinical Trial.
    El Amrousy D; El Ashry H; Hodeib H; Hassan S · Journal of clinical gastroenterology · 2021
    Randomized trial120 participantsAnti-Inflammatory Support forVitamin D
  22. Vitamin D supplementation reduces infection rate and promotes wound healing in patients with diabetic foot ulcers.
    Gao YQ; Gao YH; Xing JH · World journal of diabetes · 2025
    Randomized trial120 participantsAnti-Inflammatory Support forVitamin D
  23. Associations of C-reactive Protein with 25-hydroxyvitamin D in 24 Specific Diseases: A Cross-sectional Study from NHANES.
    Yang F; Sun M; Sun C; Li J; Yang X; Bi C; Wang M; Pu L; Wang J; Wang C; Xie M; Yao Y; Jin L · Scientific reports · 2020
    Cross-sectional study9,809 participantsAnti-Inflammatory Support forVitamin D
  24. Combined effects of vitamin D deficiency and systemic inflammation on all-cause mortality and cause-specific mortality in older adults.
    Zhang C; Cui J; Li S; Shen J; Luo X; Yao Y; Shi H · BMC geriatrics · 2024
    Cohort study3,072 participantsAnti-Inflammatory Support forVitamin D
  25. Vitamin D Supplementation in Adolescents and Young Adults With Juvenile Systemic Lupus Erythematosus for Improvement in Disease Activity and Fatigue Scores: A Randomized, Double-Blind, Placebo-Controlled Trial.
    Lima GL; Paupitz J; Aikawa NE; Takayama L; Bonfa E; Pereira RM · Arthritis care & research · 2016
    Randomized trial40 participantsEnergy forVitamin D
  26. Vitamin D in Myalgic Encephalomyelitis/Chronic Fatigue Syndrome After COVID-19 or Vaccination: A Randomized Controlled Trial.
    Kodama S; Nakata M; Konishi N; Yoshino M; Fujisawa A; Naganuma M; Kobayashi Y; Hirai Y; Kitagawa A; Miyokawa M; Mishima R; Teramukai S; Fukushima M · Nutrients · 2026
    Randomized trial91 participantsEnergy forVitamin D
  27. The effects of vitamin D supplementation on disease activity and fatigue in Libyan rheumatoid arthritis patients.
    Elfituri S · Reumatologia · 2024
    Randomized trial68 participantsEnergy forVitamin D
  28. The effect of home-based aerobic training and vitamin D supplementation on fatigue and quality of life in patients with multiple sclerosis during COVID-19 outbreak.
    Bahmani E; Hoseini R; Amiri E · Science & sports · 2022
    Randomized trial40 participantsEnergy forVitamin D
  29. Effects of vitamin D supplementation on upper and lower body muscle strength levels in healthy individuals. A systematic review with meta-analysis.
    Tomlinson PB; Joseph C; Angioi M · Journal of science and medicine in sport · 2016
    Meta-analysis310 participants7 studies pooledFitness forVitamin D
  30. Influence of Sunlight and Oral D3 Supplementation on Serum 25(OH)D Concentration and Exercise Performance in Elite Soccer Players.
    Michalczyk MM; Gołaś A; Maszczyk A; Kaczka P; Zając A · Nutrients · 2021
    Randomized trial33 participantsFitness forVitamin D
  31. Effects of Vitamin D Supplementation in Elite Athletes: A Systematic Review.
    Wyatt PB; Reiter CR; Satalich JR; O'Neill CN; Edge C; Cyrus JW; O'Connell RS; Vap AR · Orthopaedic journal of sports medicine · 2024
    Systematic review482 participants14 studies pooledFitness forVitamin D
  32. Association between serum vitamin D levels and cardiorespiratory fitness in the adult population of the USA.
    Marawan A; Kurbanova N; Qayyum R · European journal of preventive cardiology · 2020
    Cross-sectional study1,995 participantsFitness forVitamin D
  33. Vitamin D supplementation for prevention of mortality in adults.
    Bjelakovic G; Gluud LL; Nikolova D; Whitfield K; Wetterslev J; Simonetti RG; Bjelakovic M; Gluud C · The Cochrane database of systematic reviews · 2014
    Meta-analysis95,286 participants159 studies pooledGeneral Health forVitamin D
  34. Effect of vitamin D on gastrointestinal symptoms and health-related quality of life in irritable bowel syndrome patients: a randomized double-blind clinical trial.
    Abbasnezhad A; Amani R; Hajiani E; Alavinejad P; Cheraghian B; Ghadiri A · Neurogastroenterology and motility · 2018
    Randomized trial90 participantsGeneral Health forVitamin D
  35. The impact of vitamin D administration on mortality in COVID-19 patients: a systematic review and meta-analysis of randomized controlled trials.
    Kow CS; Ramachandram DS; Hasan SS; Wong Z; Thiruchelvam K · Inflammopharmacology · 2024
    Meta-analysis2,495 participants19 studies pooledGeneral Health forVitamin D
  36. Vitamin D Status and Mortality: A Systematic Review of Observational Studies.
    Heath AK; Kim IY; Hodge AM; English DR; Muller DC · International journal of environmental research and public health · 2019
    Systematic review84 studies pooledGeneral Health forVitamin D
  37. Meta-analysis of long-term vitamin D supplementation on overall mortality.
    Zheng Y; Zhu J; Zhou M; Cui L; Yao W; Liu Y · PloS one · 2014
    Meta-analysis42 studies pooledGeneral Health forVitamin D
  38. Vitamin D supplementation to prevent acute respiratory infections: individual participant data meta-analysis.
    Martineau AR; Jolliffe DA; Greenberg L; Aloia JF; Bergman P; Dubnov-Raz G; Esposito S; Ganmaa D; Ginde AA; Goodall EC; Grant CC; Janssens W; Jensen ME; Kerley CP; Laaksi I; Manaseki-Holland S; Mauger D; Murdoch DR; Neale R; Rees JR; Simpson S; Stelmach I; Trilok Kumar G; Urashima M; Camargo CA; Griffiths CJ; Hooper RL · Health technology assessment (Winchester, England) · 2020
    Meta-analysis11,321 participants25 studies pooledImmunity forVitamin D
  39. Vitamin D3 and deconvoluting a rash.
    Ernst MK; Evans ST; Techner JM; Rothbaum RM; Christensen LF; Onay UV; Biyashev D; Demczuk MM; Nguyen CV; Honda KS; McCormick TS; Tsoi LC; Gudjonsson JE; Cooper KD; Lu KQ · JCI insight · 2023
    Randomized trial28 participantsImmunity forVitamin D
  40. Effect of vitamin D3 supplementation on cellular immunity and inflammatory markers in COVID-19 patients admitted to the ICU.
    Bychinin MV; Klypa TV; Mandel IA; Yusubalieva GM; Baklaushev VP; Kolyshkina NA; Troitsky AV · Scientific reports · 2022
    Randomized trial110 participantsImmunity forVitamin D
  41. Effect of Two Different Doses of Vitamin D Supplementation on Metabolic Profiles of Insulin-Resistant Patients with Polycystic Ovary Syndrome.
    Jamilian M; Foroozanfard F; Rahmani E; Talebi M; Bahmani F; Asemi Z · Nutrients · 2018
    Randomized trial90 participantsTestosterone Support forVitamin D
  42. Androgens and hirsutism score of overweight women with polycystic ovary syndrome improved after vitamin D treatment: A randomized placebo controlled clinical trial.
    Al-Bayyari N; Al-Domi H; Zayed F; Hailat R; Eaton A · Clinical nutrition (Edinburgh, Scotland) · 2021
    Randomized trial60 participantsTestosterone Support forVitamin D
  43. Association between plasma 25-OH vitamin D and testosterone levels in men.
    Nimptsch K; Platz EA; Willett WC; Giovannucci E · Clinical endocrinology · 2012
    Case-control study1,362 participantsTestosterone Support forVitamin D
  44. Causal Link Between Vitamin D and Total Testosterone in Men: A Mendelian Randomization Analysis.
    Chen C; Zhai H; Cheng J; Weng P; Chen Y; Li Q; Wang C; Xia F; Wang N; Lu Y · The Journal of clinical endocrinology and metabolism · 2020
    Other4,254 participantsTestosterone Support forVitamin D
  45. Associations of vitamin D status and vitamin D-related polymorphisms with sex hormones in older men.
    Rafiq R; van Schoor NM; Sohl E; Zillikens MC; Oosterwerff MM; Schaap L; Lips P; de Jongh RT · The Journal of steroid biochemistry and molecular biology · 2017
    Cohort study643 participantsTestosterone Support forVitamin D